Heel machine



J. H. POPE vHEEL MACHINE April 8 1924..

3 Sheets-Sheet 2 Filed Jan. 12 1921 Patented Apr. 8, i924.

JGSEPH I-I. 39019331, OF I'IAEEILTON, MASSACiZ-IUSE-TCiS, ASSIGNUR TO UNET'ED SHOE MA- earner o aries.

CHIN'ERY C(BLEi-POEATION, 9F PATERSGN, NEEV JERSEY, A COFJPORATIO'N F NEEV JERSEY.

' HEEL- IIIACHINE.

Application invention herein disclosed for purposes of illustration and description is a machine organized to cut and assemble heel lif s into a die, several of the features of the invention are capable of equally advantageous use in heel making machines of other specific forms, for example, machines in which previously cut lifts or pieces are assembled to form heel blanks.

One object of the invention is to facilitate the manufacture of pas .ed heels, and particularly heels of the kind which in cludes one or more pieced lifts. Although such heels generally embody at least two, and often more, whole lifts, they are commonly rnown in the trade as piece. heels.

another object of the invention is to make it possible to produce, with the same machine, either single heel blanks or a heel log of well known form and, as an incident to these possibilities, to produce individual heel blanks, stacked in column or log formation.

With these ends in view, one important feature of the invention resides in an improved construction in which lift holding means is combined with a power operated paste applying block movable into and out of register with a lift in said holding means, the power mechanism being responsive to movement of the block into register with the lift. The lift holding means may convenviently consist of an upwardly facing cutting die into which lifts are successively cut to form heel blanks and the paste applying block is prefreably in the form of a reciprocable cutting block which may be forced into enagement with the die by a power operated plunger.

lh hen pieced heels are being built, it is itssex and filed January 12, 1921. Serial No. 436,697.

not desirable to apply paste to each piece as it is inserted inthe receptacle or die, but only to the entire lift as the last piece thereof is inserted. Another feature of the invention, accordingly, resides in a heel machine having a cutting die and a plurality of cutting blocks arranged to co-operate alternatively with the die, one of said cutting blocks being provided with paste applying means and another being dry. With this improved arrangement, an operative is enabled to cut all but one of the pieces of a pieced lift into the die with a dry block and then, with the paste applying cutting block, to cut into the die, thelast piece of the lift and simultaneously apply paste to the entire face of the lift. This arrangement is also advantageous in that it makes it possible to cut into the die the last lift of a heel, which is usually a whole lift, without applying paste to the surface thereof.

in another aspect of the invention provision is made for making either single heel blanks or forming a heel log, at the will of the operative. In the preferred embodiment of the invention this result is accomplished by the provision of a combined blank support and ejector which is movable into and out of the lift receptacle or die and which has detachably connected to it anactuator by means of which it may be operated to eject single blanks from the receptacle or die as they are formed therein;

or the actuator may be disconnected, allowing the support to recede gradually from the die or receptacle as the heel log or column ofheel blanks is formed upon it by lifts added successively in the top of the die or, receptacle.

These and other valuable features of the invention will best be understood and appreciated from reading the following detailed description of one embodiment thereof in connection with the accompanying drawings, in which- Figure 1 is a perspective view of the operating mechanisms of the machine;

Fig. 2 is a view partly in elevation and partly in section of the paste applying, cutting block and associated elements;

Fig. 3 is a plan view of the mechanism shown in Fig. 2;

Fig. 4 is an inverted plan view of the under side of the said cutting block;

Fig. 5 is a view showing a detail of the paste controlling valve and its actuating slide;

Fig. 6 shows a detail of the cutting block supporting shaft;

Fig. 7 is a horizontal section of the friction mechanism for sustaining the blank support; a

Fig. 8 is a horizontal section of an indicator which may be used under certain conditions; and I Fig. 9 is a perspective view of the clutch controlling mechanism of the machine.

10 indicates a suitable base or standard upon which is mounted a die table 12. The table 12 carries an upwardly facing cutting die 14 and a pair of downwardly extending guide rods 16. A slide 18, which is movable vertically upon the guide rods 16, carries an upwardly projecting member which is of approximately the shape of the die 14 and is adapted to enter the same from below. The slide 18 is provided at each side with notches 22 for the reception of friction shoes 24 which bear upon the guide rods 16 for the purpose of sustaining or resisting movement of the slide 18 and the blank supporting or ejecting member 20 which is carried thereby.

The friction shoes 24 are pivoted at 26 to yoke members 28, 30'. An adjusting shaft 32 (see Fig. 7), having a squared end 34 for the reception of a key or wrench, is mounted in the yoke 30 and the yoke 28 is slidable upon it. A stiff compression spring 36 surrounds the shaft 32, one end of the spring bearing against the portion 38 of the yoke 28 and the other end of the spring bearing against a disk 40 which is loose on the shaft. The disk 40 is separated from a disk 44, adjustably threaded upon the shaft 32, by a series of pins 46, the ends of which have ball and socket connections with the two disks. The disk 40 is provided with a handle 42 which may be thrown either up or down, to cause the pins 46 to lie either parallel to the shaft 32 or at an angle thereto, the latter condition being shown in the drawings. The shaft 32 is shouldered at 48 where it passes through the yoke 30 and. as a result of the described construction, the expansive force of the spring 36 tends continually, when the pins 46 are parallel to the shaft 32, to draw the friction shoes 24 toward each other and to press them firmly into frictional engagement with the guide rods 16. This friction, which is for the purpose of supporting the blank or log being formed, and holding it under pressure, is considerable and would make it quite diflicult to restore the member 20 manually to its normal starting position unless some means were provided for releasing the friction. This is accomplished by moving the handle 42 downwardly, which moves the pins 46 to the positions shown in the drawings. This permits the spring to move the disk 40 toward the left, reducing the tension of the spring sufficiently to release the frictional pressure due to the spring, whereupon the slide 18 may be easily moved manually to any position desired. Convenient means for restoring the support or ejector 20 to initial position and ejecting a blank upwardly from the die when single heels are being built consists of a hand lever 60, connected to the slide 18 by a readily removable pin 62 and pivoted at its rear end to a hanger 64 depending from the frame. When it is desired to build a log or column of heels, the pin 62 may be removed, allowing the hand lever to drop down out of the way.

Power for cutting stock into the die 14 is derived from a belt driven pulley 7 0 carried by one end of a horizontal shaft rotating in a stationary bearing 72 and controlled by a Horton clutch 74. A crank pin upon the other end of the shaft operates a connecting rod 75 which, in turn, actuates a plunger 76 reciprocating in a vertical guide 78. The lower end of the plunger is formed to co-operate with a flat surface 80 formed on the top of either of a pair of cutting blocks 82, 84.

The cutting blocks 82, 84 are carried respectively at the ends of a pair of angularly disposed, rigidly related arms 86, 88 supported by an upright yoke 90 having hubs 92, 94 at its upper and lower ends. The hubs 92, 94 are bored to turn and slide free ly upon an upright shaft 96 which is rotatably mounted in bearings 98, 100 formed in brackets 102, 104 projecting from the frame of the machine. Vertical movement of the shaft is prevented by a collar 106 secured to the shaft by a set crew 108 below the bearing 100, and the hub 110 of a hand lever 112 secured to the shaft by a set screw 114 immediately above the bearing 100.

One end of a torsion and compression spring 11.6 surrounding the upper portion of the shaft 96 is secured to the hub 92, while the other end of the spring is attached to a collar 118 secured to the shaft 96 by a. set screw 120. By virtue of the construction just described a yielding connection e3:- ists between the handle 112 and the cutting block supporting yoke, in both a vertical sense and a horizontal sense.

For the purpose of supplying paste to the face of the cuttingblock 82 the following mechanism is provided: An air tight tank 122 in which a supply of paste or other suit- 1 able adhesive may be maintained under pressure is supported by a convenient bracket 124. A flexible tube or hose 126 connects the bottom of the tank 122 to a valve chamher 128 in a cylindrical casing 130 carried Q described.

by the arm 86. The valve chan'iber contains a rotary valve 132 (see Figs. 2 and 5) con trolling the communication between the valve chamber 128 and a conduit 184 leading to the face of the cutting block The valve 132 has a rotary stem 186 to which is secured an arm 138 provided with a slot 140 for the reception of a pin carried by a horizontally reciprocable slide 144. A compression spring 146 which tends always to close the valve 182 is controlled in its action by an adjustable stop nut 148. In order 1L0 open the valve and permit the supply of paste to the cutting bloc-k, automatic mechanism is provided, which will now be A collar 150 surrounds the shaft 96 and carries a horizontal arm 152. The collar 150 is splined to the shaft 96by a key 154 which is vertically movable in a keyway 156 cut in the shaft. The ends of the key 154 embrace the collar 150 and the hub 94, causing these two elements to move together vertically, but the key is reduced sufiiciently where it passes through the hub 64 to prevent interference with the free rotation of the hub upon the shaft 96. a

A sliding dog 160 has a screw and slot connection 162 with the arm 152 and is normally drawn by a spring 164 toward the shaft 96. The dog is undercut at 166 in such a way that as it is swung into on gagemcnt with the slide 144 the slide is first actuated to open the valve 132, and the spring 164 then yields sufficiently to per mit the dog to pass off the slide, which is returned by the spring 146 to closing position.

The cutting block 82 is provided with a chamber 172 communicating with the paste conduit 184 and opening through holes into grooves 174 in the work engaging face of a cutting plate 176. A number of short, coiled springs 17 8 act to separate the pasted lift from the plate 176, preventing the latter from raising the lift out of the die as it moves upwardly after the cutting stroke.

A lug 168 projecting upwardly from the arm 86 is arranged to engage the face of a stop member 170 secured to the stationary guide 78, to stop the cutting block 82 in a position in which it is in register with the die 14 and the lower end of the plunger 76. A lug 180 projecting upwardly from the arm 88 likewise co-operates with the 0pposite side of the stop bar 170 to assist in locating the cutting block 84 in register with the die when the handle 112 is swung in the opposite direction.

It will be understood that when the handle 112 is swung toward the die 14 the shaft 96, to which the handle is secured, will be rotated and, through the yielding con nection. afforded by the collar 118 and the spring 116, the block 82 will be moved until it is stopped, by engagement of the lug 168 with the bar 170, in a position over the die 14. A slight further movement of the handle 112 in the same direction, permitted by the yielding connection between the shaft 96 and the block 82, will move the arm 152, which is constrained to rotate with the shaft 96, further sufliciently to operate the slide 144 and thus open the valve 132 momentarily. The dog 160 immediately passes oi the end of the slide 144, permitting the valve'to close automatically after sufficient paste has been supplied to the face of the cutting block.

it being assumed that the stock has al ready been placed upon the die, the point is now reached when the plunger 76 must be lowered to force the cutting block into engagement with the die, thus cutting the stock into the die. As already stated, the operation of th plunger 7 6 is controlled by the clutch 7 4. The clutch 74 is controlled by a common form of clutch stop arm 182 which is pivoted to the frame of the machine at 184. A link 186 is pivoted at 188 to the lower end of the stop arm and is supported by a stationary bracket 190 which is bolted to the machine frame (see Figs. 1 and 9). A latch 192, pivoted to the link 186 at 194, engages a shoulder 196 upon the bracket 190, preventing the tripping of the clutch except when the tripping mechanism .'s intentionally operated.

A. horizontal rock shaft 198 is suppoiued in bearings 200, 202 and carries an arm 204 having a hardened striking member 206 for actuating the link 186 to trip the clutch. torsion spring 208, surrounding the rock shaft 198, tends to keep the arm 204 in retracted position. A rocker arm 210 is secured near the forward end of the shaft 198 and is pivotally connected to a link 212 which has a lateral projection 214 arranged in the path of a lug 216 formed in.- tegral with the collar 106 (see Fig. 9). A step 218. mounted in the bracket 104, limits the movement of the link 212. It will be apparent that, with this construction, when the handle 112 approaches the limit of its movement toward the die 14 the lug 216 will engage the projection 214, operating the clutch tripping mechanism and causing the plunger 76 to descend, forcing the cutting block 82 downwardly. The downward movement of the cutting block is permitted by the vertically slidable mounting of the yoke 90 upon the shaft 96 and, as the plunger ascends, the cutting block is raised by the expansion of the spring 116. This automatic tripping of the power mechanism occurs only when the paste applying cutting block is operated; a treadle actuated rod 220 and arm 222 secured to the shaft 198 are available for tripping the power mechanism when the dry cutting block 84 is in operative position. A lug 224 projecting from the collar 150, as shown in Figs. 2 and 3, engages the rear side of the yoke 90, causing the dry cutting block 84 to swing into operative position when the handle 112 is moved away from the die.

l Vhen single blanks are being formed in the die 14, it is desirable that some means he provided for indicating when a blank has reached the predetermined, desired height. To this end a plate 226 be placed on the top oi? the member 20 and a pin 228, passing through a slot 230 in the -front of the die, may detachably eng ate the plate. The pin 228 is mounted the end of a lever 2332 supported by, and rotata le about the axis or, spindle 234. The

spindle 23 i is rotatably mounted in an indicater housing 236 and is yieldinegly drawn inwardly by a spring 288. A thumb nut 240 is provided to permit the spindle 234 to be drawn forwardly against the tension of the spring 238 until the pin 228 is withdrawn sufficiently to disconnect the indi cator from the plate 226 and the die it when the indicator is not to be used. 7

A gear segment 242 is secured to the spindle 234: and meshes with a pinion 24% upon a pin2 l6, to which is secured a pointer 2l8by a frictional connection 250. The pointer co-operates with graduated scale 252 to indicate the thickness of the assemblage of lifts cut into the die. The frictional connection between the pointer and the pin 24-6 permits the pointer readily to be set to any desired initial point upon the scale.

In the preceding description, reference has frequently been made to paste but it should be understood that this term is used in an inclusive sense, to designate any kind of adhesive material suitable for use in heel building. Also, the term blank, except where limited by the context, is used to designate a blank of any form which can be made in the machine, for example, a single heel or heel section, a column of heels or sections, or a heel log section of sufli ient length to provide a plurality or" heels or heel sections.

Having described the invention, what is claimed as new and desired to be secured by Letters Patent is 1. A machine of the class described, comprising a cutting die, a plurality of cutting; blocks arranged to co-cperate alternatively with the die, one of said cutting blocks being provided with paste applying means and another of said cutting blocks being dry.

2. A heel making machine having a cutting die, and a paste applying cutting block and a dry cutting block selectively movable into position to cut stock into the die.

3. A heel machine having cutting die and a plurality of cutting blocks capable. of relative movement to effect alinementbe- Vdependently of said automatic means.

.. interns die,

v '1 selecti 1e iv tructed and arranged to be tripped by n with the die.

5. It heel machine havin a cutting block movable o alinement with the die, a cuivi power transmitftinnmechanism for effecting relative approaching; movement of the die and cutting; lock, and means operatec by movement of the cutting block into alinement with the die for starting the driving shaft.

6. A heel machine having a cutting die, a cutting; block movable into and out of alinement with the die, single cycle clutch controlled power mechanism for efiecting relative approaching movement of the die and cutting block, and a clutch controller constructed and arranged to be tripped by movement of the cutting block into alinein at with the die. 7

7. A heel machine having; lift holding means, a paste applying block manually movable into out of register with the lift in said holding means, power mechanism, responsive to movement or" the block into register with said lift, for eiiecting relative approaching movement of said means and block.

8. heel machine having lit-t holding means, a paste applying bloclt, manual means for moving the block into and out of register with lift in id n siiait and ca noldingmeans, and mechanism, responsive to movement of manual means, for producing paste at the face of the blocl: eiiecting relative approachingmovement of said means and block to apply the paste to the lift.

9 In a heel machine, the combination of a lift cutting die, paste applying cutting block and a dry cutting block movable alternatively int-o register with the die, power for forcing either of the cutting blocks into engagement with the die, automatic means for causing-g the power means to operate when the paste applying cutting block is moved. into register with the die but not when the dry cutting block is moved into register therewit-l and additional means or causing the power means to operate incutting; block, and clutch con-oi oller con-- novement of one cutting; l loch into aline-.

incense 10. In a heel machine, the combination of a lift cutting die, two cutting blocks movable alternatively into register with the die, power means for forcing either cutting look into engagement with the die, automatic means for causing the power means to operate when one of the blocks is moved into register with the die but not when the other block is moved into register therewith, and additional means for ca" power means to operate independently of said automatic means.

11. ln aheel machine, a lift receptacle, means for pressing lifts into the receptacle, a movable blank support constructed and arranged to enter the receptacle, means for moving the support within the receptacle to eject a blank therefrom, a de tachable connection between the last men tioned means and the support, and guiding means upon which the support is movable from a position within the receptacle to a position remote therefrom when said con-- nection is detached.

12. In a heel machine, a cutting die, a combined blank support and ejector movable into and out of the die, an actuator detachably connected to the ejector for m0ving it within the die to eject a blank therefrom, and a guide sustaining the ejector in its movement away from the die to support a heel log formed by cutting lifts into the die.

13. ln a heel machine, an upwardly facing lift cutting die, a frictionally supported, upwardly projecting support arranged to enter the die from beneath, an actuator detachably connected to the support for raising th latter to eject a blank from the die, and means for guiding and sustaining the support in its movement away from the die when the actuator is disconnected.

let. in a heel machine, a heel blank or log support, guiding means along which the support is movable, friction means for resisting movement of the support along the guiding means, and means for readily releasing the friction means to permit the support to move freely.

15. In a heel machine. a heel blank or log support, parallel guides upon which the support is mounted to slide, afriction device carried by the support and normally exerting frictional pressure upon the guides to resist movement of the support, and means carried by the friction device whereby the frictional pressure may be readily released manually, to permit the support to move freely.

16. In a machine of the class described, a blank support, parallel guides upon which the support is mounted to slide, spring pressed friction shoes bearing on the guides and a manually operable lever for retracting the shoes to release the pressure.

17. lln a heel machine, a lift receptacle, a block for pressing lifts into the receptacle, said block being movable into and out of register with the receptacle, means for supplying paste to the lift engaging face of the block, and a device for first moving the block into register with the receptacle and then by further movement of said device. causing paste to be supplied to the face of the block.

18. In a machine of the class described, the combination of a single cutting die and a plurality of cutting blocks movable selectively into co-operative relation to the die, to cut stock into said die.

19. In a machine of the class described, the combination of a single cutting die and a plurality of cutting bloclrs, the die and cutting blocks being so relatively movable that alinement may be effected between the die and any one of said blocks.

20. In a heel making machine, the combination of a holder in which lifts may be assembled to form a heel, and a plurality of pressing members selectively movable into co-operative relation to the holder, to press lifts in the holder.

21. In a heel making machine, the combination of a holder in which lifts may be assembled to form a heel, and a plurality of pressing members for pressing lifts into the holder, the holder and pressing members being so relatively movable that alinement may be effected at will between the holder and any one of the pressing members.

22. A heel machine having lift holding means, and a paste applying block and a dry block selectively movable into and out of register with a lift in said holding means.

23. A heel machine having lift holding means and a plurality of pressure blocks arranged to cooperate alternatively with the lift holding means, one of saidblocks being provided with paste applying means and another of said blocks being dry.

In testimony whereof I have sigi'ied my name to this specification.

JOSEPH H. POPE. 

